23140710 has 48 divisors (see below), whose sum is σ = 60488064. Its totient is φ = 6137856.

The previous prime is 23140709. The next prime is 23140717. The reversal of 23140710 is 1704132.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23140717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19494 + ... + 20646.

It is an arithmetic number, because the mean of its divisors is an integer number (1260168).

Almost surely, 2^23140710 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23140710, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30244032).

23140710 is an abundant number, since it is smaller than the sum of its proper divisors (37347354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23140710 is a wasteful number, since it uses less digits than its factorization.

23140710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1389 (or 1386 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 23140710 is about 4810.4791861103. The cubic root of 23140710 is about 284.9654621120.

Adding to 23140710 its reverse (1704132), we get a palindrome (24844842).

The spelling of 23140710 in words is "twenty-three million, one hundred forty thousand, seven hundred ten".